/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVMRegistry.h
Returns a dispatch factory given its name (or nullptr)
[FRigVMDispatchFactory](API\Plugins\RigVM\RigVMCore\FRigVMDispatchFactory) * FindDispatchFactory ( const [FName](API\Runtime\Core\UObject\FName) & InFactoryName ) const